MESON Chess Problem Database

Problem Display
PID: 186276 (3R4/2B1pP1B/1p5p/1b1PNP2/p2pkpR1/3p2n1/Q2P2P1/3K4 w - - 0 1)

Handloser, Ralf Chris

idee & form, 2014

3R4/2B1pP1B/1p5p/1b1PNP2/p2pkpR1/3p2n1/Q2P2P1/3K4

#2

12 + 10

15601 Albrecht-Leiss-Degener Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.f6#
    • 1...Sh1
      • 2.f6#
    • 1...Se2
      • 2.f6#
    • 1...Sh5
      • 2.f6#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Rxf4#
      • 1...Se2
        • 2.f6#
      • 1...Sh5
        • 2.f6#
      • 1...e5!
    • 1.Sc4?
      • threat
        • 2.Rxf4#
      • 1...Se2
        • 2.f6#
      • 1...Sh5
        • 2.f6#
      • 1...e5
        • 2.Sd6#
      • 1...Bd7!
    • 1.Sc6?
      • threat
        • 2.Rxf4#
      • 1...Se2
        • 2.f6#
      • 1...Sh5
        • 2.f6#
      • 1...e5!
    • 1.Sd7?
      • threat
        • 2.Rxf4#
      • 1...e5
        • 2.Sf6#
      • 1...Se2
        • 2.f6#
      • 1...Sh5
        • 2.f6#
      • 1...Bc4!
  • Keys
    • 1.Sxd3!
      • threat
        • 2.Sf2#
      • 1...Kxd3
        • 2.Qc2#
      • 1...Bxd3
        • 2.Rxf4#
      • 1...Sh1
        • 2.f6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(b);N_GUARD::B(K)+P(H)
  • Tries
    • Try
      • S(G);
      • Threat
        • R1(E),XP(f)
      • Vars
        • S(b);N_GUARD::B(K)+P(H)
      • Refutation
        • P(j);
    • Try
      • S(G);
      • Threat
        • R1(E),XP(f)
      • Vars
        • S(b);N_GUARD::B(K)+P(H)
        • P(j);N_GUARD,SBLOCK::S(G)
      • Refutation
        • B(g);
    • Try
      • S(G);
      • Threat
        • R1(E),XP(f)
      • Vars
        • S(b);N_GUARD::B(K)+P(H)
      • Refutation
        • P(j);
    • Try
      • S(G);
      • Threat
        • R1(E),XP(f)
      • Vars
        • P(j);N_GUARD::S(G)
        • S(b);N_GUARD::B(K)+P(H)
      • Refutation
        • B(g);
  • Actual
    • S(G);XP(a)
    • Threat
      • S(G)
    • Vars
      • K(e);N_SPINP(f),OGATEB,S_FLIGHT,XS(G)::QAB1(B)
      • B(g);SBLOCK,XS(G)::R1(E),XP(f)
      • S(b);N_GUARD::B(K)+P(H)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).